CN201038092Y - Onload switch-fuse combined electric appliance operation mechanism - Google Patents
Onload switch-fuse combined electric appliance operation mechanism Download PDFInfo
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- CN201038092Y CN201038092Y CNU2007201400740U CN200720140074U CN201038092Y CN 201038092 Y CN201038092 Y CN 201038092Y CN U2007201400740 U CNU2007201400740 U CN U2007201400740U CN 200720140074 U CN200720140074 U CN 200720140074U CN 201038092 Y CN201038092 Y CN 201038092Y
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- separating brake
- load switch
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Abstract
An actuator mechanism of a load switches-fuse composite apparatus comprises a fixed plate(1), a fixed former plate(4), a motor(3), a grounding operation axle(8), a micro switch(9), a spindle(11) which extends to a switch box, a load switch operation axle(12), a driving small sprocket wheel(6), a big sprocket wheel(10), a clutch pin(16) and an energy-storage spring(18). A maintain-tripping device is arranged on the top of the spindle(11) and on the right side of the load switch operation axle(12). The maintain-tripping device is provided with an annex rotation axle(30-3) which drills through the former plate(4) and a fixed plate(17). A separating brake annex(30-1), a separating brake annex(30) and a separating brake annex(30-2) are respectively arranged on the annex rotation axle(30-3). A manual drive knob(13) which is matched with the separating brake annex(30-1) is arranged on the top of the separating brake annex(30-1). An electric separating brake coil telescopic handle(15) which is matched with the separating brake annex(30) is arranged at the bottom of the separating brake annex(30). A fuse firing pin(32) which is matched with the separating brake annex(30-2) is arranged at the bottom of the separating brake annex(30-2). The utility model is suitable to use on distribution boxes in power field and substation.
Description
Technical field
The utility model relates to the improved design of operating mechanism and the manufacturing of the on-load switch-fuse combined electric apparatus that uses on a kind of ring main unit.
Technical background
The operating mechanism that uses on ring main unit mainly is divided into: three-stations load switch operating mechanism, female connection cabinet on-load switch operating mechanism and on-load switch-fuse combined electric apparatus operating mechanism.Three kinds of above-mentioned operating mechanisms, product supplied is independent mechanism on the market at present, versatility is not strong, and most of mechanisms carry out separating brake, combined floodgate, ground connection operation by operating grip, and these independent operating mechanisms bring very inconvenient to operating personnel.Though the operating mechanism of minority has electronic function, volume is big, heavy, installation is inconvenient, reliability is low, efficiency of transmission is poor but exist, and its operating mechanism adopts two springs as energy-storage travelling wave tube, drives the action of on-load switch and earthed switch respectively, and complex structure, reliability are low.
Summary of the invention
The purpose of this utility model provides a kind of on-load switch-fuse combined electric apparatus operating mechanism, to overcome the shortcoming that present on-load switch operating mechanism exists.
In order to realize above-mentioned purpose, the technical solution of the utility model is: the operating mechanism of on-load switch-fuse combined electric apparatus comprises fixing back plate 1, fixed front plate 4, motor 3, ground connection operating axis 8, sensitive switch 9, extend to the main shaft 11 of switch-box, on-load switch operating axis 12, transmission minor sprocket 6, hinge wheel 10, clutch pin 16 and energy-stored spring 18, the top of described main shaft 11,12 right side of on-load switch operating axis is provided with maintenance-trip gear, described maintenance-trip gear, be to be provided with to pass header board 4, a 30-3 is revolved in the annex commentaries on classics of fixed head 17, described annex commentaries on classics is revolved and is respectively arranged with separating brake annex 30-1 on the 30-3, separating brake annex 30, separating brake annex 30-2, the top of separating brake annex 30-1 is provided with the manual actuation knob 13 that matches with separating brake annex 30-1, the below of separating brake annex 30 is provided with the electronic switching winding expansion link 15 that matches with separating brake annex 30, and the below of separating brake annex 30-2 is provided with the fuse striker 32 that matches with separating brake annex 30-2; Described maintenance-trip gear, fixed head 17 are provided with the action that ratchet 26, screens annex 27, small fish shape annex 28 and retaining board 25, limiting plate 24 match and keep, thread off; Near revolving a 30-3 stage casing, the annex commentaries on classics is provided with positioning attachment 29; Be provided with energy-stored spring 18 between described ground connection operating axis 8 and the on-load switch operating axis 12, described energy-stored spring 18 two ends are respectively equipped with cover 18-1 in the spring, cover 18-2 in the spring, cover 18-1 is hung on energy-stored spring 18 1 ends on the pin 21 in the spring thereby pin 21 passes, pin 21 1 ends pass spring-support plate 8-1 on the ground connection operating axis 8 as a strong point, pin 21 other ends pass interlock plate 20 on the ground connection operating axis 8 as another strong point, cover 18-2 is hung on energy-stored spring 18 other ends on the pin 21-1 in the spring thereby pin 21-1 passes, pin 21-1 passes spring-support plate 12-1 on the on-load switch operating axis 12 as the strong point of an end, and pin 21-1 passes interlock plate 19 on the on-load switch operating axis 12 as the strong point of the other end; Described on-load switch operating mechanism is provided with the driving minor sprocket 6 on motor 3 and the motor 3, and minor sprocket 6 is by the hinge wheel 10 on the chain 7 traction load switching manipulation axles 12, by electronicly close a floodgate, separating brake; Be provided with clutch pin 16 between described on-load switch operating axis 12 and the hinge wheel 10; Be provided with interlocking bent plate 14 at on-load switch operating axis 12 1 ends.
Adopt the utlity model has that operating mechanism is simple, volume is little, component universality is good, installing, adjust, safeguard convenient, easy to operate reliable advantage of above-mentioned measure.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Accompanying drawing 1 is that perspective view is looked on a left side of the present utility model;
Accompanying drawing 2 is gate-dividing state structural representations of the present utility model;
Accompanying drawing 3 is "on" position structural representations of the present utility model;
Accompanying drawing 4 is ground state structural representations of the present utility model;
Accompanying drawing 5 is energy storage status architecture schematic diagrames of the present utility model;
Accompanying drawing 6 is maintenance one trip gear structural representations of the present utility model;
Accompanying drawing 7 is that perspective view is looked on the right side of the present utility model.
Embodiment
The operating mechanism of on-load switch-fuse combined electric apparatus, seem that its structure is comparatively complicated, in fact it is on the basis of three-stations load switch operating mechanism, set up one and keep a trip gear, and be the integrated design of three-stations load switch operating mechanism.
Referring to accompanying drawing 1.Fig. 1 is that perspective view is looked on a left side of the present utility model.Can find out that from accompanying drawing fixing back plate 1, fixed front plate 4 undertaken fasteningly by standing screw 2, ground connection operating axis 8, on-load switch operating axis 12 stride across fixing back plate 1, fixed front plate 4.Main shaft 11 strides across fixed front plate 4, fixing back plate 1 and extends to switch-box and drives switch contact.Motor 3 is fixing with fixed front plate 4 again with motor fixing plate 5.On motor 3 projecting shafts minor sprocket 6 is housed, by chain 7 traction hinge wheels 10.Be provided with clutch pin 16 between on-load switch operating axis 12 and the hinge wheel 10, the on-load switch operating axis is provided with interlocking bent plate 14 first.In the time of manually; the groove that guide vane end stop on the operating grip will be aimed at interlocking bent plate 14 can insert on-load switch operating axis 12; clutch pin 16 lifts with hinge wheel 10 and separates; electronic inoperative when reaching manual; interlocking bent plate 14 make mechanism behind combined floodgate oppositely energy storage put in place and can take out handle, cause switch when need protection is tripped, can't move in order to avoid forget energy storage.
Referring to accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 7.Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 are respectively gate-dividing state structural representation of the present utility model, "on" position structural representation, ground state structural representation, energy storage status architecture schematic diagram, maintenance-trip gear structural representation.Be provided with energy-stored spring 18 between ground connection operating axis 8 and the on-load switch operating axis 12 as can be seen from Figure, described energy-stored spring 18 two ends are respectively equipped with in the spring overlaps 18-2 in cover 18-1, the spring, cover 18-1 is hung on energy-stored spring 18 1 ends on the pin 21 in the spring thereby pin 21 passes, pin 21 1 ends pass the spring-support plate 8-1 that is welded on the ground connection operating axis 8 as a strong point, pin 21 other ends pass be welded on the ground connection operating axis 8 interlock plate 20 as another strong point, pin 21 can rotate flexibly, adopts block card fastening; Thereby pin 21-1 passes in the spring cover 18-2 energy-stored spring 18 other ends is hung in the middle of the pin 21-1, pin 21-1 passes the spring-support plate 21-1 that is welded on the on-load switch operating axis 12 strong point as an end, pin 21-1 pass be welded on the on-load switch operating axis 12 interlock plate 19 as the strong point of the other end, pin 21-1 can rotate flexibly, adopts block card fastening.The utility model is provided with the driving minor sprocket 6 on motor 3 and the motor 3, and minor sprocket 6 is by the hinge wheel 10 on the chain 7 traction load switching manipulation axles 12, by electronicly close a floodgate, separating brake.Be provided with clutch pin 16 between on-load switch operating axis 12 and the hinge wheel 10, be provided with spacing interlocking bent plate 14 at on-load switch operating axis one end.Referring to accompanying drawing 6, accompanying drawing 7.Accompanying drawing 6 is that maintenance one trip gear schematic diagram of the present utility model, accompanying drawing 7 are that perspective view is looked on the right side of the present utility model, 12 right side of the top of described main shaft 11, on-load switch operating axis is provided with maintenance-trip gear, described maintenance-trip gear, be to be provided with the annex rotating shaft 30-3 that passes header board 4, fixed head 17, be respectively arranged with separating brake annex 30-1, separating brake annex 30, separating brake annex 30-2 on the described annex rotating shaft 30-3; The top of separating brake annex 30-1 is provided with the manual actuation knob 13 that matches with separating brake annex 30-1, the below of separating brake annex 30 is provided with the electronic switching winding expansion link 15 that matches with separating brake annex 30, and the below of separating brake annex 30-2 is provided with the fuse striker 32 that matches with separating brake annex 30-2; Described maintenance-trip gear, fixed head 17 are provided with ratchet 26, screens annex 27, small fish shape annex 28 and match with retaining board 25, limiting plate 24 and keep, thread off action; Near revolving a 30-3 stage casing, the annex commentaries on classics is provided with positioning attachment 29.
The utility model operating mechanism can provide manual, electronic two kinds of modes of operation, can give minor sprocket 6 by motor 3 output torques, drive hinge wheel 10 via chain 7, hinge wheel 10 drives on-load switch operating axis 12 by the clutch pin 16 that is fixed on the operating axis 12, or directly drive on-load switch operating axis 12 rotation by operating grip, carry out that on-load switch closes a floodgate and ground connection is operated.Be provided with electric and mechanical interlocking during the dual mode conversion, to guarantee reliable deciliter, the damage of avoiding part to cause because of misoperation.When inserting handle, the groove that the guide vane end stop on the operating grip will be aimed at interlocking bent plate 14 can insert on-load switch operating axis 12, realizes electrical interlock thereby cut off motor 3 power supplys by 9 actions of handle drives sensitive switch.And handle lifts clutch pin 16 when inserting, and clutch pin 16 is separated with hinge wheel 10, and hinge wheel 10 can't drive operating axis 12 to reach mechanical interlocking.Interlocking bent plate 14 make mechanism behind combined floodgate oppositely energy storage put in place and can take out handle, cause switch when need protection is tripped, can't move in order to avoid forget energy storage.
The utility model is when carrying out electric switch-on, give minor sprocket 6 by motor 3 output torques, drive hinge wheel 10 via chain 7, hinge wheel 10 drives 12 rotations of on-load switch operating axis by the clutch pin 16 that is fixed on the operating axis 12, drive plate 12-2 on the on-load switch operating axis 12 rotates by the connecting lever 11-2 that load connecting rod 22 drives on the main shaft 11, turn clockwise thereby drive main shaft 11, the fuse combined electric apparatus switch closes a floodgate.This mechanism adopts single spring 18 as energy-storage travelling wave tube, and the interlock plate 20 on the ground connection operating axis 8 reciprocal interlocks with the interlock plate 19 on the on-load switch operating axis 12, and fulcrum each other.When operation rotation ground connection operating axis 8 (or load operation axles 12), with the fixed pivot of the interlock plate 19 (or interlock plate 20) on another root operating axis load operation axle 12 (or ground connection operating axis 8) as energy-stored spring 18 1 ends, 18 energy storage of compression spring, automatically switch separating brake, switch combined floodgate, ground connection operation are carried out in the driving switch that releases energy after crossing the centre line in spring 18 moved ends action.With common employing dual spring energy storage, the mechanism that drives on-load switch and earthed switch respectively compares, and structure is advantages of simple more, and reliability is higher.
When the operation of the operating mechanism ground connection of fuse combined electric apparatus (as shown in Figure 2), the pin 21-1 on the interlock plate 19 on the on-load switch operating axis 12 is just as the fixed pivot of energy-stored spring 18.Ground connection operating axis 8 turns clockwise, energy-stored spring 18 is compressed energy storage, when the crossing the centre line of energy-stored spring 18 moved ends, energy is released, the drive plate 8-2 of ground connection operating axis 8 rotates by the connecting lever 11-1 that ground connection connecting rod 23 drives on the main shaft 11, thereby drive main shaft 11 and be rotated counterclockwise fuse combined electric apparatus switch ground connection.
Under "on" position (as shown in Figure 3),, avoid misoperation if operation rotation this moment ground connection operating axis 8 connects the interlock plate of doing on the axle 12 19 by interlock plate on the grounding shaft 8 20 and on-load switch and reciprocal interlocks.
When earthed switch carries out sub-switching operation (as shown in Figure 4), ground connection operating axis 8 is rotated counterclockwise, and the direction of motion of relevant motion parts is opposite with the ground connection process of introducing previously.Under ground state, if operate rotary load switching manipulation axle 12 this moment, connect the interlock plate of doing on the axle 12 19 by interlock plate on the grounding shaft 8 20 and on-load switch and reciprocal interlock, avoid misoperation.
The utility model can become three merit position on-load switch operating mechanisms or female connection cabinet on-load switch operating mechanism by removing the part parts.This mechanism adopts single spring 18 as energy-storage travelling wave tube, and the interlock plate 20 on the ground connection operating axis 8 reciprocal interlocks with the interlock plate 19 on the on-load switch operating axis 12, and fulcrum each other.When operation rotation ground connection operating axis 8 (or load operation axles 12), with the fixed pivot of the interlock plate 19 (or interlock plate 20) on another root operating axis load operation axle 12 (or ground connection operating axis 8) as energy-stored spring 18 1 ends, 18 energy storage of compression spring, automatically operations such as on-load switch separating brake, on-load switch combined floodgate, ground connection are carried out in the driving switch that releases energy after crossing the centre line in spring 18 moved ends action.With common employing dual spring energy storage, the mechanism that drives on-load switch and earthed switch respectively compares, and structure is advantages of simple more, and reliability is higher.The used component universality of this operating mechanism is good, can be by removing the parts of relevant electronic part, an independent operating mechanism be can become, also can three merit position on-load switch operating mechanisms or female connection cabinet on-load switch operating mechanism be become by removing the part parts.
When the operating mechanism of fuse combined electric apparatus carries out sub-switching operation (as Fig. 5, Fig. 6, shown in Figure 7), behind compression spring 18 compressed energy-storages, plate 31 on the main shaft 11 withstands ratchet 26 and stops its reverse, prevents that on-load switch operating axis 12 is clockwise thereby ratchet 26 withstands retaining board 25; Small fish shape annex 28 blocks limiting plate 24 and stops on-load switch operating axis 12 to reverse, and realizes that combined floodgate remains separating brake and prepares.Can drive separating brake annex 30-1 rotary spacing annex 29 this moment by separating brake knob 13, positioning attachment 29 discharges screens annex 27, screens annex 27 drives small fish shape annex 28 and reverses, small fish shape annex 28 no longer withstands limiting plate 24, and on-load switch operating axis 12 reverses under the pressure of compression spring 18 and finishes manual brake separating.Electronic separating brake then is that switching winding 15 gets electric its push rod rotation separating brake annex 30, and separating brake annex 30 drives positioning attachments 29 and rotates, and is identical with the hand tripping motion process afterwards.The operating mechanism of fuse combined electric apparatus is when the fuse failure of fuse, and fuse drives striker 32 and upwards withstands separating brake annex 30-2, and separating brake annex 30-2 drives positioning attachment 29 and rotates, and is identical with the hand tripping motion process afterwards.
The utility model motor 3 power adopt 60-80W, and transmission minor sprocket 6 and hinge wheel 10 are than being: 1: 2-3, energy-stored spring 18 diameters employing 35-40 millimeter.
Claims (6)
1. the operating mechanism of on-load switch-fuse combined electric apparatus comprises fixing back plate (1), fixed front plate (4), motor (3), ground connection operating axis (8), sensitive switch (9), extend to the main shaft (11) of switch-box, on-load switch operating axis (12), transmission minor sprocket (6), hinge wheel (10), clutch pin (16) and energy-stored spring (18), it is characterized in that: the top of described main shaft (11), the right side of (12) of on-load switch operating axis is provided with maintenance-trip gear, described maintenance-trip gear, be to be provided with to pass header board (4), axle (30-3) is revolved in the annex commentaries on classics of fixed head (17), described annex commentaries on classics is revolved on the axle (30-3) and is respectively arranged with separating brake annex (30-1), separating brake annex (30), separating brake annex (30-2), the top of separating brake annex (30-1) is provided with the manual actuation knob (13) that matches with separating brake annex (30-1), the below of separating brake annex (30) is provided with the electronic switching winding expansion link (15) that matches with separating brake annex (30), and the below of separating brake annex (30-2) is provided with the fuse striker (32) that matches with separating brake annex (30-2).
2. maintenance-trip gear according to claim 1 is characterized in that: described fixed head (17) is provided with the action that ratchet (26), screens annex (27), small fish shape annex (28) and retaining board (25), limiting plate (24) match and keep, thread off.
3. maintenance-trip gear according to claim 1 and 2 is characterized in that: be provided with positioning attachment (29) near axle (30-3) stage casing is revolved in the annex commentaries on classics.
4. the operating mechanism of on-load switch-fuse combined electric apparatus according to claim 1, it is characterized in that: be provided with energy-stored spring (18) between described ground connection operating axis (8) and the on-load switch operating axis (12), described energy-stored spring (18) two ends are respectively equipped with cover (18-1) in the spring, cover (18-2) in the spring, pin (21) passes cover (18-1) in the spring thereby energy-stored spring (18) one ends is hung on the pin (21), pin (21) one ends pass spring-support plate (8-1) on the ground connection operating axis (8) as a strong point, pin (21) other end passes interlock plate (20) on the ground connection operating axis (8) as another strong point, pin (21-1) passes cover (18-2) in the spring thereby energy-stored spring (18) other end is hung on the pin (21-1), pin (21-1) passes spring-support plate (12-1) on the on-load switch operating axis (12) as the strong point of an end, and pin (21-1) passes interlock plate (19) on the on-load switch operating axis (12) as the strong point of the other end.
5. the operating mechanism of switch-fuse combination according to claim 1, it is characterized in that: described on-load switch operating mechanism is provided with the driving minor sprocket (6) on motor (3) and the motor (3), minor sprocket (6) is by the hinge wheel (10) on chain (7) the traction load switching manipulation axle (12), by electronicly close a floodgate, separating brake; Be provided with clutch pin (16) between described on-load switch operating axis (12) and the hinge wheel (10).
6. the operating mechanism of on-load switch-fuse combined electric apparatus according to claim 1 is characterized in that: be provided with interlocking bent plate (14) first at on-load switch operating axis (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201400740U CN201038092Y (en) | 2007-03-07 | 2007-03-07 | Onload switch-fuse combined electric appliance operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201400740U CN201038092Y (en) | 2007-03-07 | 2007-03-07 | Onload switch-fuse combined electric appliance operation mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN201038092Y true CN201038092Y (en) | 2008-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201400740U Expired - Lifetime CN201038092Y (en) | 2007-03-07 | 2007-03-07 | Onload switch-fuse combined electric appliance operation mechanism |
Country Status (1)
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| CN (1) | CN201038092Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496498A (en) * | 2011-12-16 | 2012-06-13 | 常州瑞联电力科技有限公司 | Three-position switch transmission device |
| CN103325608A (en) * | 2013-05-31 | 2013-09-25 | 北京华电瑞通电力工程技术有限公司 | Ring main unit control mechanism |
| CN103956277A (en) * | 2014-04-08 | 2014-07-30 | 温州兴机电器有限公司 | Fuse-combination unit operating mechanism of load switch |
| CN107293420A (en) * | 2017-07-05 | 2017-10-24 | 厦门市恒源新电力设备有限公司 | A kind of operating mechanism of modular vacuum load switch fuse combined electrical apparatus |
| CN109346374A (en) * | 2018-10-08 | 2019-02-15 | 苏州市远洋电器有限公司 | A kind of spring operating mechanism for on-load switch |
| CN110459427A (en) * | 2019-06-27 | 2019-11-15 | 许继集团有限公司 | A kind of switch-fuse combination and its trip gear |
| CN112750633A (en) * | 2020-12-28 | 2021-05-04 | 施耐德万高（天津）电气设备有限公司 | Energy storage spring operating mechanism of low-voltage isolation dual-power transfer switch |
-
2007
- 2007-03-07 CN CNU2007201400740U patent/CN201038092Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496498A (en) * | 2011-12-16 | 2012-06-13 | 常州瑞联电力科技有限公司 | Three-position switch transmission device |
| CN102496498B (en) * | 2011-12-16 | 2014-05-14 | 常州瑞联电力科技有限公司 | Three-position switch transmission device |
| CN103325608A (en) * | 2013-05-31 | 2013-09-25 | 北京华电瑞通电力工程技术有限公司 | Ring main unit control mechanism |
| CN103325608B (en) * | 2013-05-31 | 2015-04-15 | 北京华电瑞通电力工程技术有限公司 | Ring main unit control mechanism |
| CN103956277A (en) * | 2014-04-08 | 2014-07-30 | 温州兴机电器有限公司 | Fuse-combination unit operating mechanism of load switch |
| CN103956277B (en) * | 2014-04-08 | 2015-10-28 | 温州兴机电器有限公司 | On-load switch fuse combined electric apparatus operating mechanism |
| CN107293420A (en) * | 2017-07-05 | 2017-10-24 | 厦门市恒源新电力设备有限公司 | A kind of operating mechanism of modular vacuum load switch fuse combined electrical apparatus |
| CN107293420B (en) * | 2017-07-05 | 2019-07-05 | 厦门市恒源新电力设备有限公司 | A kind of operating mechanism of modular vacuum load switch fuse combined electrical apparatus |
| CN109346374A (en) * | 2018-10-08 | 2019-02-15 | 苏州市远洋电器有限公司 | A kind of spring operating mechanism for on-load switch |
| CN109346374B (en) * | 2018-10-08 | 2020-04-03 | 苏州市远洋电器有限公司 | Spring operating mechanism for load switch |
| CN110459427A (en) * | 2019-06-27 | 2019-11-15 | 许继集团有限公司 | A kind of switch-fuse combination and its trip gear |
| CN110459427B (en) * | 2019-06-27 | 2021-04-02 | 许继集团有限公司 | Load switch-fuse combined electrical apparatus and tripping device thereof |
| CN112750633A (en) * | 2020-12-28 | 2021-05-04 | 施耐德万高（天津）电气设备有限公司 | Energy storage spring operating mechanism of low-voltage isolation dual-power transfer switch |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGXI YINHE DECOM ELECTRIC CO., LTD. Free format text: FORMER OWNER: YINHE SWITCHGEAR APPARATUS CO., LTD., BEIHAI Effective date: 20120215 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120215 Address after: 536000, Guangxi Beihai Tibet Road 11 Galaxy software park complex Patentee after: Guangxi Yinhe Decom Electric Co., Ltd. Address before: 536000 Beihai Yinhe science and technology building, Guangdong South Road, Beihai, the Guangxi Zhuang Autonomous Region Patentee before: Yinhe Switchgear Apparatus Co., Ltd., Beihai |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080319 |
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| CX01 | Expiry of patent term |